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/* w_acoshf.c -- float version of w_acosh.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*
*/
#include <sys/cdefs.h>
#if defined(LIBM_SCCS) && !defined(lint)
__RCSID("$NetBSD: w_acoshf.c,v 1.6 2002/05/26 22:01:59 wiz Exp $");
#endif
/*
* wrapper acoshf(x)
*/
#include "math.h"
#include "math_private.h"
float
acoshf(float x) /* wrapper acoshf */
{
#ifdef _IEEE_LIBM
return __ieee754_acoshf(x);
#else
float z;
z = __ieee754_acoshf(x);
if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
if(x<(float)1.0) {
/* acosh(x<1) */
return (float)__kernel_standard((double)x,(double)x,129);
} else
return z;
#endif
}
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